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The DIY KIT: AC Power Smart Router helps you manage high-power devices such as water heaters or underfloor heating systems, while also saving energy by distributing power efficiently across devices. For more detailed information about the device’s functionality, click here.
This is DIY device for developing of your project, If you’re looking for a ready-to-use plug-and-play device, you can find it here.
In this section, we’ll guide you through configuring and purchasing the perfect kit for your project.
Step 1: Choose Controller

Without an ESP32 module.
Install your own ESP32 NodeM module and upload the firmware, using this guide.
9.90 USD

Pre-installed ESP32 module.
ESP32 onboard, the firmware application is already configured and ready to use.
19.90 USD
Step 2: Select Mode
Grid and Internal Energy Generation Control
Maximize the use of renewable energy from solar panels and wind turbines while minimizing grid dependency. The AC Power Smart Router monitors and redirects excess electricity to power household appliances such as electric water heaters and electric underfloor heating systems.
Peak Tariff Management
Automate power usage to operate devices during low-tariff periods and reduce costs during peak hours. Schedule heating and other high-consumption devices to run at night or weekends when tariffs are cheaper.
Emergency Load Reduction
Prevent overloading and avoid costly penalties or tripping breakers by dynamically managing the total energy load in your home. The AC Power Smart Router reduces power consumption automatically by dimming connected devices or switching off non-priority loads.
Step 3: Select AC voltage
Step 3: Select Grid power Sensor
How to Choose the Right Sensor:
Option 1: Check the rating of the main electricity breaker switch (in Amps) in your home’s switchbox. Multiply this value by a factor of 1.40. Choose a sensor with a nominal current rating higher than the calculated value.
Option 2: Refer to your electricity contract with the electricity supplier. The supplier typically specifies the power allowance in kWt. Enter this value here (kWt):
Step 3.1: Select Invertor power Sensor
Check the rating of the inverter, it’s typically specifies the power allowance in kWt. Enter this value here (kWt):
Select invertor power Sensor:
Step 4: Selecting a Dimmer
If you need to control a water heater or underfloor heating, a dimmer is the best solution. You need to select the appropriate dimmer power. Enter the power of your heater (kWt):
Do you need a second dimmer?
Enter the power of the second heater (kWt):